Covering Thurrock and most of South Essex. A1 provides reliable IT support and repair service to both business and residential customers. Trading Standards Approved - you can be sure you are dealing with a reputable and fully vetted company. No call-out fee* No charge for an engineer visit. Fixed price repairs* Many residential services have fixed costs - with no hidden extras. No fix, no fee* If your PC cannot be fixed there is no charge. Experienced Microsoft & Comptia certified engineer with many years of experience. Flexible appointments including weekends & evenings with convenient time slots. Fully insured with £1,000.000 Public Liability Insurance.